feat: l10n: Format date and time in Django DATETIME_FORMAT
See the following to custom date and time formats:
- FORMAT_MODULE_PATH | Settings | Django documentation | Django https://docs.djangoproject.com/en/5.0/ref/settings/#format-module-path
- date | Built-in template tags and filters | Django documentation | Django https://docs.djangoproject.com/en/5.0/ref/templates/builtins/#date
Closes issue #78 (closed)